CPTv10+ files for $partialdiff sub T$ root mean sq anom [ Princeton prcp ]

Princeton[wspd prcp tmin tmax ]
Princeton tmax 0 m[ X Y Z | T]
grid: /X (degree_east) periodic (0.25E) to (0.25W) by 0.5 N= 720 pts :grid
grid: /T (days since 1960-01-01 00:00:00) ordered (0000 1 Jan 1948) to (0000 31 Dec 2008) by 1.0 N= 22281 pts :grid
$partialdiff sub T$ root mean sq anom [ Princeton prcp ] 0 m[ X Z | T]